1641033125 has 10 divisors (see below), whose sum is σ = 2050635774. Its totient is φ = 1312826000.

The previous prime is 1641033101. The next prime is 1641033127. The reversal of 1641033125 is 5213301461.

It can be written as a sum of positive squares in 5 ways, for example, as 1007554564 + 633478561 = 31742^2 + 25169^2 .

It is not a de Polignac number, because 1641033125 - 2¹² = 1641029029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1641033094 and 1641033103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641033127) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1312202 + ... + 1313451.

Almost surely, 2^1641033125 is an apocalyptic number.

It is an amenable number.

1641033125 is a deficient number, since it is larger than the sum of its proper divisors (409602649).

1641033125 is an frugal number, since it uses more digits than its factorization.

1641033125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625673 (or 2625658 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1641033125 is about 40509.6670561485. The cubic root of 1641033125 is about 1179.5212855158.

Adding to 1641033125 its reverse (5213301461), we get a palindrome (6854334586).

The spelling of 1641033125 in words is "one billion, six hundred forty-one million, thirty-three thousand, one hundred twenty-five".